PySOEM is a Cython wrapper for the Simple Open EtherCAT Master Library (https://github.com/OpenEtherCATsociety/SOEM).

PySOEM enables basic system testing of EtherCAT slave devices with Python.

Features

• input process data read and output process data write
• SDO read and write
• EEPROM read and write
• FoE read and write

Todo

• EoE

Beware that real-time applications need some special considerations.

• Python 3
• GCC (installed on your machine)
• Python scripts that use PySOEM must be executed under administrator privileges

• Python 3 / 64 Bit
• Npcap [*] or WinPcap

python -m pip install pysoem

or

pip install pysoem

Consider using a virtualenv.

Please have a look at the examples on GitHub.

• Fix the FoE password issue

• Licence change to MIT licence
• Introduces configurable timeouts for SDO read and SDO write
• Improved API docs

• API change: remove the size parameter for foe_write
• Introduces overlap map support

• No Cython required to install the package from the source distribution

• Introduces FoE

• Update of the underlying SOEM

• Fixes bug when Ibytes = 0 and Ibits > 0

• Exposes ec_DCtime (dc_time) for DC synchronization

• Improvement on SDO Aborts

• SDO info read

• Readme update only

• Initial publication